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/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
****************************************************************************/
#ifndef FORMEDITORITEM_H
#define FORMEDITORITEM_H
#include <QWeakPointer>
#include <QGraphicsWidget>
#include <qmlitemnode.h>
#include "snappinglinecreator.h"
QT_BEGIN_NAMESPACE
class QTimeLine;
QT_END_NAMESPACE
namespace QmlDesigner {
class FormEditorScene;
class FormEditorView;
class AbstractFormEditorTool;
namespace Internal {
class GraphicItemResizer;
class MoveController;
}
class FormEditorItem : public QGraphicsObject
{
Q_OBJECT
friend class QmlDesigner::FormEditorScene;
public:
~FormEditorItem();
void paint(QPainter * painter, const QStyleOptionGraphicsItem * option, QWidget * widget = 0 );
bool isContainer() const;
QmlItemNode qmlItemNode() const;
enum { Type = UserType + 0xfffa };
int type() const;
static FormEditorItem* fromQGraphicsItem(QGraphicsItem *graphicsItem);
void updateSnappingLines(const QList<FormEditorItem*> &exceptionList,
FormEditorItem *transformationSpaceItem);
SnapLineMap topSnappingLines() const;
SnapLineMap bottomSnappingLines() const;
SnapLineMap leftSnappingLines() const;
SnapLineMap rightSnappingLines() const;
SnapLineMap horizontalCenterSnappingLines() const;
SnapLineMap verticalCenterSnappingLines() const;
SnapLineMap topSnappingOffsets() const;
SnapLineMap bottomSnappingOffsets() const;
SnapLineMap leftSnappingOffsets() const;
SnapLineMap rightSnappingOffsets() const;
QList<FormEditorItem*> childFormEditorItems() const;
FormEditorScene *scene() const;
FormEditorItem *parentItem() const;
QRectF boundingRect() const;
void updateGeometry();
void updateVisibilty();
void showAttention();
FormEditorView *formEditorView() const;
void setHighlightBoundingRect(bool highlight);
void setContentVisible(bool visible);
bool isContentVisible() const;
bool isFormEditorVisible() const;
void setFormEditorVisible(bool isVisible);
protected:
AbstractFormEditorTool* tool() const;
void paintBoundingRect(QPainter *painter) const;
void paintPlaceHolderForInvisbleItem(QPainter *painter) const;
private slots:
void changeAttention(qreal value);
private: // functions
FormEditorItem(const QmlItemNode &qmlItemNode, FormEditorScene* scene);
void setup();
void setAttentionScale(double scale);
void setAttentionHighlight(double value);
private: // variables
SnappingLineCreator m_snappingLineCreator;
QmlItemNode m_qmlItemNode;
QWeakPointer<QTimeLine> m_attentionTimeLine;
QTransform m_attentionTransform; // make item larger in anchor mode
QTransform m_inverseAttentionTransform;
QRectF m_boundingRect;
double m_borderWidth;
bool m_highlightBoundingRect;
bool m_isContentVisible;
bool m_isFormEditorVisible;
};
inline int FormEditorItem::type() const
{
return UserType + 0xfffa;
}
}
#endif // FORMEDITORITEM_H
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